<template>
  <div class="app-container">
    <div class="filter-container">
      <!-- 查找标题 -->
      <el-input
        v-model="listQuery.title"
        placeholder="请输入查找标题"
        style="width: 200px"
        class="filter-item"
        @keyup.enter.native="handleFilter"
      />
      <!-- 查找新闻分类 -->
      <el-select
        v-model="listQuery.newsCategoryId"
        placeholder="请选择新闻要查找的新闻分类"
        clearable
        style="width: 90px"
        class="filter-item"
      >
        <el-option
          v-for="item in newsCategories"
          :key="item.id"
          :label="item.name"
          :value="item.id"
        />
      </el-select>

      <!-- 排序方式：asc升序、Desc降序 -->
      <el-select
        v-model="listQuery.sort"
        style="width: 140px"
        class="filter-item"
        @change="handleFilter"
      >
        <el-option
          v-for="item in sortOptions"
          :key="item.key"
          :label="item.label"
          :value="item.key"
        />
      </el-select>
      <el-button
        v-waves
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        @click="handleFilter"
      >
        搜索
      </el-button>
      <!-- 干掉添加、单独写一个页面，不然显得过于复杂 -->
      <!-- <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-edit" @click="handleCreate">
        Add
      </el-button> -->
      <el-button
        v-waves
        :loading="downloadLoading"
        class="filter-item"
        type="primary"
        icon="el-icon-download"
        @click="handleDownload"
      >
        导出为Excel
      </el-button>
      <!-- ？？？？？？？？？ -->
      <el-checkbox
        v-model="showReviewer"
        class="filter-item"
        style="margin-left: 15px"
        @change="tableKey = tableKey + 1"
      >
        reviewer
      </el-checkbox>
    </div>

    <el-table
      :key="tableKey"
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%"
      @sort-change="sortChange"
    >
      <!-- 序号 -->
      <el-table-column label="序号" type="index" align="center" width="50" />
      <!-- ID -->
      <el-table-column label="ID" prop="id" align="center" width="100">
        <template slot-scope="{ row }">
          <span>{{ row.id }}</span>
        </template>
      </el-table-column>
      <!-- 标题 -->
      <el-table-column label="新闻标题" min-width="120px">
        <template slot-scope="{ row }">
          <span class="link-type" @click="handleUpdate(row)">{{
            row.title
          }}</span>
          <!-- <el-tag>{{ row.type | typeFilter }}</el-tag> -->
        </template>
      </el-table-column>
      <!-- 作者 -->
      <el-table-column label="作者" width="80" align="center">
        <template slot-scope="{ row }">
          <span>{{ row.appUserName }}</span>
        </template>
      </el-table-column>
      <!-- 分类 -->
      <el-table-column label="分类" width="80" align="center">
        <template slot-scope="{ row }">
          <span>{{ row.newsCategoryName }}</span>
        </template>
      </el-table-column>
      <!-- 简介 -->
      <el-table-column label="简介" min-width="120px" align="center">
        <template slot-scope="{ row }">
          <span>{{ row.describe }}</span>
        </template>
      </el-table-column>
      <!-- 显示状态 -->
      <el-table-column label="显示状态" width="80" align="center">
        <template slot-scope="{ row }">
          <span>{{ row.newsStausName }}</span>
        </template>
      </el-table-column>
      <!-- 大图 -->
      <el-table-column label="大图" width="200" align="center">
        <template slot-scope="{ row }">
          <!-- <span>{{ row.titlePic }}</span> -->
          <el-image :src="baseImgURL + row.titlePic" />
        </template>
      </el-table-column>
      <!-- 权重 -->
      <el-table-column
        label="权重"
        width="80"
        :class-name="getSortClass('weight')"
        sortable="custom"
        align="center"
      >
        <template slot-scope="{ row }">
          <span>{{ row.weight }}</span>
        </template>
      </el-table-column>

      <el-table-column
        label="用户操作"
        align="center"
        width="120"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="{ row, $index }">
          <el-button
            v-if="row.status != 'published'"
            size="mini"
            type="info"
            style="margin-bottom: 5px; margin-left: 10px"
            @click="handleCheckInfo(row)"
          >
            详情
          </el-button>
          <el-button
            type="primary"
            size="mini"
            style="margin-bottom: 5px"
            @click="handleUpdate(row)"
          >
            修改
          </el-button>

          <el-button
            type="warnning"
            size="mini"
            style="margin-bottom: 5px"
            @click="handleSetWeight(row)"
          >
            设置权重
          </el-button>
          <el-button
            type="success"
            size="mini"
            style="margin-bottom: 5px"
            @click="handlePassNews(row, $index)"
          >
            审核通过
          </el-button>
          <el-button
            size="mini"
            type="danger"
            style="margin-bottom: 5px"
            @click="handleDelete(row, $index)"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="listQuery.page"
      :limit.sync="listQuery.limit"
      @pagination="getList"
    />

    <!-- 展示新闻详情Dialog -->
    <el-dialog title="新闻预览" :visible.sync="newInfoVisible">
      <news :news="temp" />
    </el-dialog>

    <!-- 设置新闻权重Dialog -->
    <el-dialog title="设置新闻权重" :visible.sync="setWeightDialogVisible">
      <el-form
        ref="setWeightDataForm"
        :rules="rules"
        :model="temp"
        label-position="left"
        label-width="70px"
        style="width: 400px; margin-left: 50px"
      >
        <el-form-item label="Id" prop="id" label-width="60">
          <el-input v-model="temp.id" class="filter-item" disabled />
        </el-form-item>
        <el-form-item label="标题" prop="title" label-width="60">
          <el-input
            v-model="temp.title"
            class="filter-item"
            disabled
          />
        </el-form-item>
        <el-form-item label="旧权重" prop="weight" label-width="60">
          <el-input
            v-model="temp.weight"
            class="filter-item"
            disabled
          />
        </el-form-item>
        <el-form-item label="新权重" prop="newWeight" label-width="60">
          <el-input
            v-model="newWeight"
            class="filter-item"
            type="number"
          />
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click="setWeightDialogVisible = false"> Cancel </el-button>
        <el-button type="primary" @click="SetWeight"> Confirm </el-button>
      </div>
    </el-dialog>

    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="temp"
        label-position="left"
        label-width="70px"
        style="width: 400px; margin-left: 50px"
      >
        <el-form-item label="Type" prop="type">
          <el-select
            v-model="temp.type"
            class="filter-item"
            placeholder="Please select"
          >
            <el-option
              v-for="item in calendarTypeOptions"
              :key="item.key"
              :label="item.display_name"
              :value="item.key"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="Date" prop="timestamp">
          <el-date-picker
            v-model="temp.timestamp"
            type="datetime"
            placeholder="Please pick a date"
          />
        </el-form-item>
        <el-form-item label="Title" prop="title">
          <el-input v-model="temp.title" />
        </el-form-item>
        <el-form-item label="Status">
          <el-select
            v-model="temp.status"
            class="filter-item"
            placeholder="Please select"
          >
            <el-option
              v-for="item in statusOptions"
              :key="item"
              :label="item"
              :value="item"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="Imp">
          <el-rate
            v-model="temp.importance"
            :colors="['#99A9BF', '#F7BA2A', '#FF9900']"
            :max="3"
            style="margin-top: 8px"
          />
        </el-form-item>
        <el-form-item label="Remark">
          <el-input
            v-model="temp.remark"
            :autosize="{ minRows: 2, maxRows: 4 }"
            type="textarea"
            placeholder="Please input"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false"> Cancel </el-button>
        <el-button
          type="primary"
          @click="dialogStatus === 'create' ? createData() : updateData()"
        >
          Confirm
        </el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogPvVisible" title="Reading statistics">
      <el-table
        :data="pvData"
        border
        fit
        highlight-current-row
        style="width: 100%"
      >
        <el-table-column prop="key" label="Channel" />
        <el-table-column prop="pv" label="Pv" />
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button
          type="primary"
          @click="dialogPvVisible = false"
        >Confirm</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import {
  getInShowAll,
  getInShowPaged,
  getToAuditPaged,
  createNews,
  updateNews,
  passNews,
  setWeight,
  deleteNews
} from '@/api/news'

import { getAll } from '@/api/newsCategory'

import waves from '@/directive/waves' // waves directive
import { parseTime } from '@/utils'
import Pagination from '@/components/Pagination' // secondary package based on el-pagination

import News from './components/news.vue' // secondary package based on el-pagination
import { date } from 'jszip/lib/defaults'

import {baseNewsTitlePicURL} from '@/utils/constTool.js'

const calendarTypeOptions = [
  { key: 'CN', display_name: 'China' },
  { key: 'US', display_name: 'USA' },
  { key: 'JP', display_name: 'Japan' },
  { key: 'EU', display_name: 'Eurozone' }
]

// arr to obj, such as { CN : "China", US : "USA" }
const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
  acc[cur.key] = cur.display_name
  return acc
}, {})

export default {
  name: 'ComplexTable',
  components: { Pagination, News },
  directives: { waves },
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger'
      }
      return statusMap[status]
    },
    typeFilter(type) {
      return calendarTypeKeyValue[type]
    }
  },
  data() {
    return {
      newWeight: 0, // 用户新设置的权重
      setWeightDialogVisible: false, // 用户设置新闻权重对话框显示
      newInfoVisible: false, // 上传图片原始展示框显示

      // 图片基础地址
      baseImgURL: baseNewsTitlePicURL,
      tableKey: 0,
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 5,
        title: undefined,
        newsCategoryId: undefined,
        sort: 'desc'
      },
      //   拿到所有的新闻分类
      newsCategories: [],
      calendarTypeOptions,
      sortOptions: [
        { label: '权重升序', key: 'asc' },
        { label: '权重降序', key: 'desc' }
      ],
      statusOptions: ['published', 'draft', 'deleted'],
      showReviewer: false,

      temp: {
        appUserId: undefined,
        appUserName: '',
        content: '',
        describe: '',
        id: undefined,
        newsCategoryId: undefined,
        newsCategoryName: '',
        newsStatusId: '64d45d1a-6e81-489e-9688-08d9abfa7289',
        newsStausName: 'InShow',
        title: '',
        titlePic: 'Default.jpg',
        weight: 100,
        createTime: new Date()
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: 'Edit',
        create: 'Create'
      },
      dialogPvVisible: false,
      pvData: [],
      rules: {
        type: [
          { required: true, message: 'type is required', trigger: 'change' }
        ],
        timestamp: [
          {
            type: 'date',
            required: true,
            message: 'timestamp is required',
            trigger: 'change'
          }
        ],
        title: [
          { required: true, message: 'title is required', trigger: 'blur' }
        ]
      },
      downloadLoading: false
    }
  },
  created() {
    this.getNewsCategories()

    this.getList()
  },
  methods: {
    //   handle查看新闻详情
    handleCheckInfo(row) {
      this.newInfoVisible = true
      this.temp = row
    },

    //   拿到所有的新闻分类
    getNewsCategories() {
      getAll().then((res) => {
        this.newsCategories = res.data
      })
    },

    getList() {
      this.listLoading = true
      console.log(this.listQuery)
      getToAuditPaged(this.listQuery).then((response) => {
        console.log(response)
        this.list = response.data.dataList
        this.total = response.data.total

        // Just to simulate the time of the request
        setTimeout(() => {
          this.listLoading = false
        }, 1.5 * 1000)
      })
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    handleModifyStatus(row, status) {
      this.$message({
        message: '操作Success',
        type: 'success'
      })
      row.status = status
    },
    sortChange(data) {
      const { prop, order } = data
      if (prop === 'id') {
        this.sortByID(order)
      }
    },
    sortByID(order) {
      if (order === 'ascending') {
        this.listQuery.sort = '+id'
      } else {
        this.listQuery.sort = '-id'
      }
      this.handleFilter()
    },
    resetTemp() {
      this.temp = {
        id: undefined,
        importance: 1,
        remark: '',
        timestamp: new Date(),
        title: '',
        status: 'published',
        type: ''
      }
    },
    handleCreate() {
      this.resetTemp()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    createData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          this.temp.id = parseInt(Math.random() * 100) + 1024 // mock a id
          this.temp.author = 'vue-element-admin'
          createArticle(this.temp).then(() => {
            this.list.unshift(this.temp)
            this.dialogFormVisible = false
            this.$notify({
              title: 'Success',
              message: 'Created Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },
    handleUpdate(row) {
      // this.temp = Object.assign({}, row); // copy obj
      // this.temp.timestamp = new Date(this.temp.timestamp);
      // this.dialogStatus = "update";
      // this.dialogFormVisible = true;
      // this.$nextTick(() => {
      //   this.$refs["dataForm"].clearValidate();
      // });
      this.$router.push({
        name: 'UpdateNews',
        path: '/news/updateNews/',
        params: {
          id: row.id
        }
      })
    },
    updateData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          const tempData = Object.assign({}, this.temp)
          tempData.timestamp = +new Date(tempData.timestamp) // change Thu Nov 30 2017 16:41:05 GMT+0800 (CST) to 1512031311464
          updateArticle(tempData).then(() => {
            const index = this.list.findIndex((v) => v.id === this.temp.id)
            this.list.splice(index, 1, this.temp)
            this.dialogFormVisible = false
            this.$notify({
              title: 'Success',
              message: 'Update Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },

    // Handle设置新闻权重
    handleSetWeight(row) {
      this.setWeightDialogVisible = true
      this.temp = Object.assign({}, row) // copy obj
      // this.temp.timestamp = new Date(this.temp.timestamp);
      // this.dialogStatus = "update";
      // this.dialogFormVisible = true;
      this.$nextTick(() => {
        this.$refs['setWeightDataForm'].clearValidate()
      })
    },
    SetWeight() {
      this.$refs['setWeightDataForm'].validate((valid) => {
        if (valid) {
          setWeight(this.temp.id, { weight: this.newWeight }).then(() => {
            const index = this.list.findIndex((v) => v.id === this.temp.id)
            this.temp.weight = this.newWeight
            this.list.splice(index, 1, this.temp)
            this.setWeightDialogVisible = false
            this.$notify({
              title: 'Success',
              message: 'SetWeight Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },

    // 使新闻审核通过
    handlePassNews(row, index) {
      this.$confirm('审核通过新闻, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          passNews(row.id).then(() => {
            this.$notify({
              title: 'Success',
              message: 'SetWeight Successfully',
              type: 'success',
              duration: 2000
            })
            this.list.splice(index, 1)
          })
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },

    handleDelete(row, index) {
      this.$confirm('此操作将彻底删除新闻, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          deleteNews(row.id, { appUserId: row.appUserId }).then(() => {
            this.$notify({
              title: 'Success',
              message: 'Delete Successfully',
              type: 'success',
              duration: 2000
            })
            this.list.splice(index, 1)
          })
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      this.$notify({
        title: 'Success',
        message: 'Delete Successfully',
        type: 'success',
        duration: 2000
      })
      this.list.splice(index, 1)
    },

    handleFetchPv(pv) {
      fetchPv(pv).then((response) => {
        this.pvData = response.data.pvData
        this.dialogPvVisible = true
      })
    },
    handleDownload() {
      this.downloadLoading = true
      import('@/vendor/Export2Excel').then((excel) => {
        const tHeader = ['timestamp', 'title', 'type', 'importance', 'status']
        const filterVal = [
          'timestamp',
          'title',
          'type',
          'importance',
          'status'
        ]
        const data = this.formatJson(filterVal)
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: 'table-list'
        })
        this.downloadLoading = false
      })
    },
    formatJson(filterVal) {
      return this.list.map((v) =>
        filterVal.map((j) => {
          if (j === 'timestamp') {
            return parseTime(v[j])
          } else {
            return v[j]
          }
        })
      )
    },
    getSortClass: function(key) {
      const sort = this.listQuery.sort
      return sort === `+${key}` ? 'ascending' : 'descending'
    }
  }
}
</script>
